An area of the brain, commonly linked with memory and dementia, could also yield important clues about a range of mental health illnesses including addiction, anxiety and depression, a study has found.

At a time of growing distrust and general indifference to human suffering, doctors at Indraprastha Apollo Hospital here on Thursday noted how prompt action of office colleague in one instance and of a spouse in another case helped give two brain stroke patients a new lease of life.

Sustaining a traumatic brain injury (TBT) in your 20s may increase the risk of developing dementia including Alzheimer's in your 50s by 60 per cent, a review of nearly three million patients has revealed.

Scientists have demonstrated the successful implementation of a prosthetic system that uses a person's own memory patterns to facilitate the brain's ability to encode and recall memory, an important step towards finding a way to restore memory loss.

Parkinson's disease is one of a number of neurodegenerative diseases caused when naturally occurring proteins fold into the wrong shape and stick together with other proteins, eventually forming thin filament-like structures called amyloid fibrils.